
Photo: extreme-tennis.eu
NOX Cobalt Quantum 12K
NOX · 2025 · Quantum
NOX Cobalt Quantum 12K pairs a low swingweight that feels light and easy to whip around, a teardrop head that splits the difference between power and control and a controlled, low-trampoline feel.
Measurements
The headline figures used in the comparison, with where each sits across the indexed rackets.
Measurements by source
Every reading is kept with its source and confidence. Conflicting readings are listed side by side rather than averaged.
| Source | Confidence | SW | TW | Bal | Scr | RA |
|---|---|---|---|---|---|---|
| LabExtreme Tennis X-Compareshape Teardrop | High | 168 | 18 | 26.5 | 65 | 86 |
| ImageProduct image (silhouette inspection)shape Teardrop | High |
Values are shown in each source's native scale (X-Compare, official or TWU). A blank cell means that source did not report that metric.
Closest alternatives
The rackets most similar to this one, using it as the reference.
Oxdog Hyper Pro 2.0 ClassicsClose on swingweight, balance and twistweight, the same head shape and similar foam.
Very close100
NOX NextGen Pro Hybrid 3K 2025Close on swingweight, balance and twistweight, the same head shape and similar foam.
Very close100
Oxdog Ultimate CourtClose on swingweight, balance and twistweight, the same head shape and similar foam.
Very close98
NOX EA10 Ventus Attack 12K XtremeClose on swingweight, balance and twistweight, the same head shape and similar foam.
Very close98
NOX Future Hybrid 12K AlumClose on swingweight, balance and twistweight, the same head shape and similar foam.
Very close98
Oxdog Ultimate Pro Smash 2026Close on swingweight, balance and twistweight, the same head shape and similar foam.
Very close97